Home / 57,311.34-79,086.10-31,816.22

Finding the Fourth Proportional to 57,311.34, 79,086.10 and 31,816.22

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Solution

The fourth proportional to 57,311.34, 79,086.10 and 31,816.22 is: 43,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.34 : 79,086.10 = 31,816.22 : x
  2. Step 2: Convert to fraction form
    57,311.34/79,086.10 = 31,816.22/x
  3. Step 3: Cross multiply
    57,311.34x = 79,086.10 × 31,816.22
  4. Step 4: Simplify right side
    57,311.34x = 2,516,220,281.57
  5. Step 5: Solve for x
    x = 2,516,220,281.57/57,311.34
  6. Step 6: Final answer
    x = 43,904.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.